CVE-2020-3358: Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers SSL Denial of Service Vulnerability

Published Jul 16, 2020
·
Updated

A vulnerability in the Secure Sockets Layer (SSL) VPN feature for Cisco Small Business RV VPN Routers could allow an unauthenticated, remote attacker to cause the device to unexpectedly restart, causing a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request over an SSL connection to the targeted device. A successful exploit could allow the attacker to cause a reload, resulting in a DoS condition.

Affected Software

8 affected components
Cisco Rv340 Dual Wan Gigabit Vpn Router Firmware<1.0.03.18
cisco Rv340 Dual Wan Gigabit Vpn Router
Cisco Rv340w Dual Wan Gigabit Wireless-ac Vpn Router Firmware<1.0.03.18
Cisco Rv340w Dual Wan Gigabit Wireless-ac Vpn Router
Cisco Rv345 Dual Wan Gigabit Vpn Router Firmware<1.0.03.18
Cisco Rv345 Dual Wan Gigabit Vpn Router
Cisco Rv345p Dual Wan Gigabit Poe Vpn Router Firmware<1.0.03.18
Cisco Rv345p Dual Wan Gigabit Poe Vpn Router

Event History

Jul 16, 2020
CVE Published
via MITRE·05:21 PM
Data Sourced
via MITRE·05:21 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2020-3358.

2

What is the severity of CVE-2020-3358?

The severity of CVE-2020-3358 is high with a score of 8.6 out of 10.

3

What is the affected software for CVE-2020-3358?

The affected software for CVE-2020-3358 is Cisco Small Business RV VPN Routers with firmware version up to 1.0.03.18.

4

What is the impact of CVE-2020-3358?

The vulnerability in SSL VPN feature of Cisco Small Business RV VPN Routers can allow an unauthenticated attacker to cause the device to unexpectedly restart, resulting in a denial of service (DoS) condition.

5

Is there a fix available for CVE-2020-3358?

Yes, Cisco has released a software update to address this vulnerability. Please refer to the Cisco Security Advisory for more information.

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